DR. GEOFFREY YUYAT KU MD
NPI 1205101060
Internal Medicine - Medical Oncology in New York, NY
About Dr. Geoffrey Yuyat Ku Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GEOFFREY YUYAT KU MD (NPI 1205101060) is an individual medical oncology provider in New York, New York, licensed in New York (265423) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2002).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Geoffrey Yuyat Ku Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Geoffrey Ku reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 428 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 514 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10065
NEW YORK, NY 10065
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Geoffrey Ku's NPI number?
The NPI number for Geoffrey Ku is 1205101060. It was assigned to this individual provider in the NPPES registry on March 13, 2012.
Where is Geoffrey Ku located?
Geoffrey Ku practices at 300 E 66th St, New York, NY 10065. The listed phone number is (646) 888-4306.
What is Geoffrey Ku's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Geoffrey Ku enrolled in Medicare?
Yes. Geoffrey Ku is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Geoffrey Ku's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Ku reassigns Medicare benefits to 2 organizations: Memorial Hematology Lymphoma Group (New York, NY) and Memorial Solid Tumor Group (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Geoffrey Ku's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Geoffrey Ku was last updated on September 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Geoffrey Yuyat Ku, MD · NPI 1205101060
Medical Oncology physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 13, 2012.
## Identity
- **NPI:** 1205101060 (Entity type: Individual)
- **Enumerated:** March 13, 2012
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 265423 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 E 66TH ST, New York, NY 10065-6800
- **Phone:** (646) 888-4306
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Memorial Hematology Lymphoma Group (NPI 1891766366, New York, NY); Memorial Solid Tumor Group (NPI 1699746172, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2002
## Record status
- **NPPES last updated:** September 13, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1205101060) · Data from the CMS NPPES public registry.